The linker was complaining about linking files that didn't
have any symbols. These were actually empty files so I just
got rid of them and removed references to them.
I've changed the dynamic allocation of the unzipbuf back to stack
allocation, hope I'm not not missing the reason for doing that ...
* origin/topic/seth/deflate-missing-headers-fix:
Fixes an issue with missing zlib headers on deflated HTTP content.
BIT-1399 #merged